client_metadata is an OpenAI Responses API-specific field. When translating openai-responses requests to openai (Chat Completions), it leaked through to providers like NVIDIA, which rejected it with a 400 "Unsupported parameter". Strip it in the Responses-specific cleanup block alongside input, instructions, store, and reasoning. |
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| concerns | ||
| formats | ||
| request | ||
| response | ||
| schema | ||
| formats.js | ||
| index.js | ||